27750277007 has 2 divisors, whose sum is σ = 27750277008. Its totient is φ = 27750277006.

The previous prime is 27750276977. The next prime is 27750277031. The reversal of 27750277007 is 70077205772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27750277007 - 2⁸ = 27750276751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27750277507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875138503 + 13875138504.

It is an arithmetic number, because the mean of its divisors is an integer number (13875138504).

Almost surely, 2^27750277007 is an apocalyptic number.

27750277007 is a deficient number, since it is larger than the sum of its proper divisors (1).

27750277007 is an equidigital number, since it uses as much as digits as its factorization.

27750277007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336140, while the sum is 44.

The spelling of 27750277007 in words is "twenty-seven billion, seven hundred fifty million, two hundred seventy-seven thousand, seven".